How to Add Email Functionality to Your PHP AppBy Andriy ZapisotskyiPHP provides a quite poor functionality for building and sending emails. Its built-in mail function () doesn't support SMTP authentication and this way works well just for simple messaging.

How do you send branded email notifications, confirmation, and even newsletters from your PHP app then?

There are three the most popular and reliable external packages: PHPMailer, Pear Mail, and Swift Mailer. Read this article to learn more about these solutions, their capabilities and with code examples.